🕒 FCC license data updated yesterday 7:15 am CDT (FCC files through Oct 15, 2026) · next update today 6:00 am CDT
Ask: HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WI · old CB calls like KHC1939 or 18Q3518 (1962–63 CB call books) · (205) 546-1767 (1990s CB directory phones)
WA4MZH HAM
✅ Available for a vanity request — free since Jun 19, 2009.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held
· 1 holder on record
· available since Jun 19, 2009
Previous holder: DAVID P WILLIAMS
Held WA4MZH Oct 20, 1987 → Jun 18, 2007
· first licensed Oct 20, 1987 as WA4MZH
· 1 license · no FRN on file (pre-2001 records)
📖 In the printed callbooks since 1964 as WA4MZH, before the FCC's online records
WA4MZHExpiredGeneralOct 20, 1987 → Jun 18, 2007 (expired)
From the FCC amateur database as published on the QRZ! callsign CD-ROMs, 1993–2003, before and alongside the FCC's online records (which start in 1999). "Seen" dates are the first and last disc showing that record; the issue date is the FCC's, so it can be a renewal of an even older license.
Seen Mar 9, 1998 → Apr 17, 2003 · 11 discs WA4MZH
· General · issued Jun 18, 1997, expires Jun 18, 2007
DAVID P. WILLIAMS
307 JAMES AVE, ERLANGER, KY 41018
Seen Sep 9, 1993 → Apr 4, 1997 · 8 discs WA4MZH
· General · issued Oct 20, 1987, expires Oct 20, 1997
DAVID P WILLIAMS
307 JAMES AVE, ERLANGER, KY 41018
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
Seen Nov 7, 2004 → Oct 11, 2026 · 49 snapshots · as WA4MZH
DAVID P WILLIAMS
307 JAMES AVE, ERLANGER, KY 41018
From scanned copies of the printed callbooks (government lists from 1913, then the Radio Amateur Callbook to 1997), read by OCR, so names and streets can carry typos. Each line is one or more editions in a row showing the same name at the same address.
1997 · 1 edition WA4MZH · class G
David P Williams 307 James Ave, Erlanger Kv 4101b 1997 p.775
1996 · 1 edition WA4MZH · class G
David P Williams )07 James Ave, Erlanq", KY 41018 1996 p.746
1983 → 1995 · 6 editions WA4MZH · class G
David P Williams 307 James Ave, Erlanger, KY 41018 Winter 1983 p.499, Winter 1984 p.523, Winter 1988 p.533, 1993 p.644, 1994 p.676, 1995 p.754
1977 → 1982 · 6 editions WA4MZH · class G
David P Williams 307 James Av, Erlanger 41018 Ky Winter 1977 p.299, Winter 1978 p.416, Winter 1979 p.444, Winter 1980 p.474, 1981 p.405, Winter 1982 p.484
1974 · 1 edition WA4MZH · class G
David P Williams 107 James A¥, Erlanger 41018 Ky Winter 1974 p.278
1971 → 1974 · 4 editions WA4MZH · class G
David P. Williams 307 James Av, Erlanger Winter 1971 p.270, Fall 1971 p.272, Winter 1973 p.275, 1974 p.252
1970 · 1 edition WA4MZH · class G
Davfo P Wllliams 1 307 James Av Erlanger 410i8 Ky Spring 1970 p.279
1969 · 1 edition WA4MZH · class G
D A V I D P . W I L L I A M S 307 James A V, Erlanger Summer 1969 p.276
1968 · 1 edition WA4MZH · class G
David P . . Will Iams 307 James Av, Erlanger Ky Spring 1968 p.280
1964 → 1965 · 2 editions WA4MZH
David P. Williams 307 James Av, Erlanger Ky Fall 1964 p.246, Summer 1965 p.249
None · 1 edition WA4MZH · class G
David P Williams 307 James Ave, Erlanger, KY 41018 None p.424
None · 1 edition WA4MZH · class G
David P Williams 307 James Av, Erlanger None p.252
📡 On the Air: APRS, Digital & WSPR Spots
No APRS positions, PSK Reporter reports or WSPR spots for WA4MZH in the last 24 hours. They show up here within seconds of WA4MZH beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.